CN208579827U - A kind of dust-proof assay balance - Google Patents
A kind of dust-proof assay balance Download PDFInfo
- Publication number
- CN208579827U CN208579827U CN201821161000.XU CN201821161000U CN208579827U CN 208579827 U CN208579827 U CN 208579827U CN 201821161000 U CN201821161000 U CN 201821161000U CN 208579827 U CN208579827 U CN 208579827U
- Authority
- CN
- China
- Prior art keywords
- dust
- air pump
- air inlet
- pedestal
- assay balance
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000003556 assay Methods 0.000 title claims abstract description 43
- 239000000428 dust Substances 0.000 claims abstract description 69
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 47
- 238000005259 measurement Methods 0.000 abstract description 13
- 238000007789 sealing Methods 0.000 abstract description 6
- 238000009825 accumulation Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 238000004458 analytical method Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 239000012491 analyte Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000004445 quantitative analysis Methods 0.000 description 1
- 239000000565 sealant Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 238000013519 translation Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
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- Sampling And Sample Adjustment (AREA)
Abstract
The utility model discloses a kind of dust-proof assay balances, including pedestal and operation key, operation key is located at pedestal side, the dust cover vertically moved is provided at the top of the pedestal, the pedestal was provided with guide plate far from operation key one week, one week of the dust cover bottom is equipped with sealing joint strip, the dust cover is communicated with air pump, the air pump includes air inlet and exhaust outlet, the air inlet is connected to dust cover, the exhaust outlet is connected to outside, is provided with air inlet at the top of the dust cover, the air inlet is provided with Air Filter.When assay balance is placed for a long time, air pump forms negative pressure in dust cover, effectively dust is avoided to fall into assay balance, avoids dust accumulation from having an impact the measurement result of assay balance, improves the accuracy of the measurement result of assay balance.
Description
Technical field
The utility model relates to a kind of detection utensil, in particular to a kind of dust-proof assay balance.
Background technique
Assay balance is indispensable fine measuring instrument in quantitative analysis work.Assay balance is in industry, medical treatment, change
The fields such as work are widely used.Since the object to be measured of assay balance has high requirement, measurement process to measurement accuracy
In a bit error be possible to influence measurement result.Assay balance after a long time placement, without the analysis day of good sealing
More or less dust will necessarily be left by putting down its surface, influence the measurement result of balance to be measured.
Currently, the Chinese patent of Publication No. CN207263285U discloses a kind of assay balance convenient for feeding intake, it is wrapped
Include pedestal, pallet and the disk that feeds intake, pedestal is equipped with electronic display, and the lower section of electronic display is equipped with several operation keys, operation
Key is set on pedestal, and the top center position of pedestal is equipped with pallet, and the side at the top of pedestal is equipped with protection cap, protection cap and pedestal
It is connected by articulate, convenient for quickly feeding intake, improves work.
Assay balance is easy accumulation dust when not used, between protection cap and pedestal for a long time, leads to the measurement essence of assay balance
It spends lower.
Utility model content
The purpose of the utility model is to provide a kind of dust-proof assay balances, have and guarantee the excellent of assay balance measurement accuracy
Point.
The above-mentioned technical purpose of the utility model has the technical scheme that a kind of dust-proof analysis day
It is flat, including pedestal and dust cover, for the pedestal upper surface equipped with " Qian " font guide plate, the pedestal is equipped with air pump, described
Air pump includes air inlet and exhaust outlet, and the air inlet is connected to dust cover inner cavity, is connected to outside the exhaust outlet and pedestal, institute
It states and is provided with air inlet at the top of dust cover, the air inlet is provided with Air Filter.
By using above-mentioned technical proposal, dust cover vertically moves on the base along guide plate, realizes that dust cover is opened
Or it closes.When not in use, when dust cover is placed in base-plates surface, guide plate blocks the bottom of dust cover to assay balance,
It prevents dust from entering, enhances leakproofness.Before assay balance is reused, air pump is operated, formation negative pressure in dust cover, in dust cover
Dust be sucked out by air pump, avoid dust accumulation the measurement result of assay balance is had an impact, to improve assay balance
The accuracy of measurement result.
The utility model is further arranged to: opening up fluted at the top of the dust cover, the dust cover upper surface is recessed
The handle matched with groove is rotatably connected at slot, the air inlet is opened in groove, and the surface of the handle is fixed with
The piston matched with air inlet.
By using above-mentioned technical proposal, setting the taking convenient for dust cover of handle when assay balance measures, rotates hand
Handle, handle is in groove, and piston inlay card is in air inlet.Air inlet is blocked by piston and handle, prevents assay balance from measuring
When dust enter dust cover, influence measurement accuracy.
The utility model is further arranged to: the pedestal side is provided with air pump cover, and the air pump is set to air pump cover
It is interior.
By using above-mentioned technical proposal, air pump cover provides installation space for air pump, and air pump cover carries out dust-proof guarantor to air pump
Shield improves air pump service life.
The utility model is further arranged to: air pump cover upper end is provided with air inlet, the air inlet and air inlet
It communicates, the air inlet position is rotatably connected to the retaining board one of opening and closing air inlet.
By using above-mentioned technical proposal, when air pump operates, the air in dust cover passes through air inlet and is siphoned away by air pump.Gas
When pumping inoperative, retaining board one is fitted at air inlet, is sealed to air inlet, prevents dust from entering dust cover from air inlet
Interior influence measurement accuracy.
The utility model is further arranged to: the air pump cover is provided with gas vent, the exhaust far from the side of pedestal
Mouth is communicated with gas vent, and the retaining board two for opening and closing gas vent is rotatably connected at the gas vent.
By using above-mentioned technical proposal, when air pump operates, the air in dust cover is discharged to the outside from gas vent, air pump
When inoperative, retaining board two fits in exhaust ports, blocks to exhaust outlet, and external dust is avoided to flow into air pump cover.
The utility model is further arranged to, and the air pump cover offers access hole, the maintenance far from the side of pedestal
The side plate for opening and closing access hole is rotatably connected at mouthful, the gas vent is located on side plate.
By using above-mentioned technical proposal, access hole can be opened by side plate, facilitate maintenance air pump.
The utility model is further arranged to: the upper surface of the air pump cover offers strip groove, under the dust cover
End is in strip groove.
By using above-mentioned technical proposal, dust cover lower end is embedded in in strip groove, the contact surface of dust cover and air pump cover
Product is larger, and leakproofness is preferable, and external dust is avoided to enter.
The utility model is further arranged to: the air pump cover and base bottom are provided with spring damper.
By using above-mentioned technical proposal, when air pump operates, spring damper reduces the vibration of air pump to assay balance
Influence, assay balance is effectively protected.
In conclusion the utility model has the following beneficial effects:
1, by the setting of air pump, assay balance does not have to for a long time, and before reusing, air pump running, air pump is dust-proof
Negative pressure is formed in cover, dust is sucked out outside dust cover, avoids the accumulation of dust from having an impact the measurement result of assay balance, mention
The accuracy of high analyte balance；
2, by the setting of spring damper, spring damper reduces vibration influence when air pump operates to assay balance,
Assay balance is effectively protected.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of embodiment；
Fig. 2 is the schematic diagram of internal structure of air pump cover in embodiment；
Fig. 3 is the schematic diagram of the section structure of embodiment in Fig. 1；
Fig. 4 is the structural schematic diagram of air pump cover in embodiment.
Wherein, 1, pedestal；2, operation key；3, dust cover；4, air pump；5, air inlet；6, exhaust outlet；7, air inlet；8, prevent
Dirt net；9, groove；10, handle；11, piston；12, air pump cover；13, side plate；14, hinge；15, air inlet；16, retaining board one；
17, shaft one；18, spindle housing one；19, gas vent；20, retaining board two；21, shaft two；22, spindle housing two；23, sealant
Item；24, strip groove；25, spring damper；26, buffer layer；27, airscoop shroud；28, access hole；29, bolt；30, guide plate.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment:
A kind of dust-proof assay balance, such as Fig. 1 and Fig. 2, including pedestal 1 and dust cover 3.Pedestal 1 is equipped with operation key 2, behaviour
Make key 2 and be located at 1 side of pedestal, 1 other side of pedestal is fixedly installed air pump cover 12, air pump 4 is provided in air pump cover 12.Air pump 4
Including air inlet 5 and exhaust outlet 6, air inlet 5 is connected to 3 inner cavity of dust cover.
Such as Fig. 1,3 upper surface of dust cover opens up fluted 9, and groove 9 is U-shaped.10 He of handle of U-shaped is provided in groove 9
Two shafts, two shafts are each passed through 10 both ends of handle, are fixed in groove 9, and handle 10 is rotated around shaft.In groove 9
Several equally distributed air inlets 7 are offered, have Air Filter 8 in air inlet 7.If handle 10 and 9 opposite side of groove are provided with
Stem piston 11, when handle 10 is placed in groove 9,11 inlay card of piston in air inlet 7, avoid external dust from air inlet 7 into
Enter in dust cover 3.
Such as Fig. 1, when air pump 4 starts, when handle 10 being rotated out of groove 9 out, piston 11 is removed from air inlet 7, outside
Portion's air enters from air inlet 7, enters in dust cover 3 across Air Filter 8, so that the air pressure inside of dust cover 3 and external gas
Flatten weighing apparatus.
Such as Fig. 1, the top surface edge of pedestal 1 is provided with the guide plate 30 of " Qian " font, and dust cover 3 hangs down along guide plate 30
Translation is dynamic, and guide plate 30 is defined position of the dust cover 3 on pedestal 1, and operator's operation handle 10 makes dust cover 3
It moves up and down, control dust cover 3 turns on or off.
Such as Fig. 1 and Fig. 2,3 bottom of dust cover is provided with sealing joint strip 23 for one week, and the upper surface of pedestal 1 and air pump cover 12 is set
There are the strip groove 24 matched with sealing joint strip 23, when dust cover 3 is covered on pedestal 1, the phase of sealing joint strip 23 and strip groove 24
Mutually cooperation, 3 lower end inlay card of dust cover enhance leakproofness in strip groove 24.
Such as Fig. 3,12 upper end of air pump cover offers air inlet 15, and air inlet 5 is connected to air inlet 15, the sky in dust cover 3
Gas is sucked away from air inlet 5.
Such as Fig. 3,15 inside upper surface of air inlet is provided with retaining board 1, shaft 1 and spindle housing 1, spindle housing
One 18 rotate around shaft 1.One 16 side of retaining board is fixed in one 18 one end of spindle housing, and one 18 other end of spindle housing is fixed
In on 12 inner wall of air pump cover, retaining board 1 one 17 rotates around the shaft.Torsional spring one is arranged in shaft 1, one two sides of torsional spring are solid
Due in spindle housing 1, torsional spring one in the raw when, retaining board 1 fits on air inlet 15.
Such as Fig. 3, it is fixedly installed airscoop shroud 27 in air pump cover 12,27 upper end of airscoop shroud is integrally set with 12 inner wall of air pump cover
It sets, retaining board 1, shaft 1 and spindle housing 1 are located in airscoop shroud 27.27 lower end of airscoop shroud is communicated with air inlet 5, gas
When 4 running of pump, when 5 air draught of air inlet, the dust in dust cover 3 is siphoned away by airscoop shroud 27 by air pump 4.
Such as Fig. 3 and Fig. 4, gas vent 19 is offered on air pump cover 12, gas vent 19 is corresponding with 6 position of exhaust outlet.Air pump 4
When running, the dust in dust cover 3 is discharged from exhaust outlet 6, is discharged to outside across gas vent 19.
Such as Fig. 3 and Fig. 4, retaining board 2 20, shaft 2 21 and spindle housing 2 22 are provided on air pump cover 12.Spindle housing 2 22
It is sheathed in shaft 2 21, and is rotated around shaft 2 21.2 20 side of retaining board, spindle housing are fixed in 2 22 one end of spindle housing
On 2 22 other end air pump cover, 12 outer wall, retaining board 2 20 is rotated around shaft 2 21.It is arranged with torsional spring two in shaft 2 21, turns round
2 22 two sides of spindle housing are fixed in two two sides of spring, torsional spring two in the raw when push retaining board 2 20, what is be bonded covers
It is placed on exhaust outlet 19.When air is discharged in exhaust outlet 6, retaining board 2 20 is opened, and air is discharged to the outside.
Such as Fig. 4, air pump cover 12 offers access hole 28 far from 1 side of pedestal, is provided with side plate 13 on the access hole 28
With hinge 14, hinge 14 is set to the side of side plate 13 and side plate 13 is rotationally connected on air pump cover 12.Gas vent 19 is arranged
In on side plate 13.
Such as Fig. 3, buffer layer 26 is provided between air pump cover 12 and pedestal 1, buffer layer 26 is rubber layer.12 side of air pump cover
It is provided with bolt 30, bolt 30 passes through buffer layer 26 and air pump cover 12 is fixedly connected on pedestal 1.When air pump 4 operates, buffer layer
26 reduce the vibration of air pump 4, avoid influence when air pump 4 operates to assay balance, assay balance is effectively protected.
Such as Fig. 2,12 bottom end two sides of air pump cover are provided with spring damper 25, are provided with bullet on four angles of 1 bottom end of pedestal
Spring damper 25.When air pump 4 operates, spring damper 25 reduces the vibration of air pump 4, avoids when air pump 4 operates to analysis day
Flat influence, is further effectively protected assay balance.
Specific implementation process, when not in use, when dust cover 3 is placed on pedestal, 11 inlay card of piston is in air inlet for assay balance
Mouth 7,26 inlay card of sealing rubber ring avoids dust from entering in strip groove 24.Assay balance before use, rotational handle 10, open into
Air port 7, air pump 4 start, and the dust in dust cover 3 is sucked out.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (8)
1. a kind of dust-proof assay balance, including pedestal (1) and dust cover (3), it is characterised in that: pedestal (1) upper surface is set
There is " Qian " font guide plate (30), the pedestal (1) is equipped with air pump (4), and the air pump (4) includes air inlet (5) and exhaust
Mouth (6), the air inlet (5) are connected to dust cover (3) inner cavity, are connected to outside the exhaust outlet (6) and pedestal (1), described anti-
It is provided with air inlet (7) at the top of dust hood (3), the air inlet is provided with Air Filter (8).
2. a kind of dust-proof assay balance according to claim 1, it is characterised in that: offered at the top of the dust cover (3)
Groove (9), the dust cover upper surface are rotatably connected to the handle (10) matched with groove (9) at groove (9), it is described into
Air port (7) is opened in groove (9), and the surface of the handle (10) is fixed with the piston (11) matched with air inlet (7).
3. a kind of dust-proof assay balance according to claim 1, it is characterised in that: pedestal (1) side is provided with gas
Pump cover (12), the air pump (4) are set in air pump cover (12).
4. a kind of dust-proof assay balance according to claim 3, it is characterised in that: air pump cover (12) upper end is provided with
Air inlet (15), the air inlet (5) communicate with air inlet (15), are rotatably connected to opening and closing air inlet at the air inlet (15)
(15) retaining board one (16).
5. a kind of dust-proof assay balance according to claim 3, it is characterised in that: the air pump cover (12) is far from pedestal
(1) side is provided with gas vent (19), and the exhaust outlet (6) communicates with gas vent (19), is rotated at the gas vent (19)
It is connected with the retaining board two (20) for opening and closing gas vent (19).
6. a kind of dust-proof assay balance according to claim 5, it is characterised in that: the air pump cover (12) is far from pedestal
(1) side offers access hole (28), and the side plate for opening and closing access hole (28) is rotatably connected at the access hole (28)
(13), the gas vent (19) is located on side plate (13).
7. a kind of dust-proof assay balance according to claim 3, it is characterised in that: open the upper surface of the air pump cover (12)
Equipped with strip groove (24), the lower end of the dust cover (3) is in strip groove (24).
8. a kind of dust-proof assay balance according to claim 3, it is characterised in that: the air pump cover (12) and pedestal (1)
Bottom is provided with spring damper (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821161000.XU CN208579827U (en) | 2018-07-20 | 2018-07-20 | A kind of dust-proof assay balance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821161000.XU CN208579827U (en) | 2018-07-20 | 2018-07-20 | A kind of dust-proof assay balance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208579827U true CN208579827U (en) | 2019-03-05 |
Family
ID=65511000
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821161000.XU Expired - Fee Related CN208579827U (en) | 2018-07-20 | 2018-07-20 | A kind of dust-proof assay balance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208579827U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110849451A (en) * | 2019-11-29 | 2020-02-28 | 方明 | Measuring method of micro-weighing electronic scale |
| CN112871873A (en) * | 2020-12-10 | 2021-06-01 | 新印科技股份有限公司 | Anti-jamming paper feeding assembly of duplicator |
-
2018
- 2018-07-20 CN CN201821161000.XU patent/CN208579827U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110849451A (en) * | 2019-11-29 | 2020-02-28 | 方明 | Measuring method of micro-weighing electronic scale |
| CN110849451B (en) * | 2019-11-29 | 2021-10-26 | 安徽优尚电子技术有限公司 | Measuring method of micro-weighing electronic scale |
| CN112871873A (en) * | 2020-12-10 | 2021-06-01 | 新印科技股份有限公司 | Anti-jamming paper feeding assembly of duplicator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190305 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |